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omeli [17]
3 years ago
14

Will subscribes to a monthly auto magazine. his one year subscription costs $29.97. if he pays for the subscription in 3 equal i

nstallments, how much is each payment?
Mathematics
1 answer:
Jet001 [13]3 years ago
3 0
$9.99 per installment
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What is the mean median and mode of 5.6 6.8 1.2 6.5 7.9 6.5 ???
rjkz [21]
Median - 6.5
mode- 6.5
mean-5.8
8 0
3 years ago
3 times a Numbers plus 12 is more than 15?
Darya [45]

Answer:

2,3,4,5,6,7,8,9 etc

Step-by-step explanation:

4 0
3 years ago
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Is 6.7 rational or irrational
vfiekz [6]

Answer:

Rational

Step-by-step explanation:

Rational numbers can be expressed, while irrational numbers (such as pi) go on forever.

Hope I helped!

3 0
2 years ago
Tina placed a 12 meter rope along one side of the bicycle path. She hung a ribbon on each end of the rope and every 3 meters in-
olga_2 [115]

Answer:

4

Step-by-step explanation:

If the tape is 12m,

she hung the tape in between every 3m, and at both ends

0, 3, 6, 9, 12

these are the lengths she hung ribbons at

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A is correct

5 0
3 years ago
A drug company is considering marketing a new local anesthetic. The effective time of the anesthetic the drug company is current
vladimir2022 [97]

Answer:

z=\frac{7.1-7.4}{\frac{1.2}{\sqrt{36}}}=-1.5  

Since is a left sided test the p value would be:  

p_v =P(z  

Comparing the p value and the significance level given \alpha=0.1 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, and the true mean is significantly lower than 7.4 minutes at 10% of significance

Step-by-step explanation:

Data given and notation  

\bar X=7.1 represent the sample mean    

\sigma=1.2 represent the population standard deviation

n=36 sample size  

\mu_o =7.4 represent the value that we want to test  

\alpha=0.1 represent the significance level for the hypothesis test.  

z would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the true mean i lower than 7.4, the system of hypothesis would be:  

Null hypothesis:\mu \geq 7.4  

Alternative hypothesis:\mu < 7.4  

The statistic is given by

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

Calculate the statistic  

We can replace in formula (1) the info given like this:  

z=\frac{7.1-7.4}{\frac{1.2}{\sqrt{36}}}=-1.5  

P-value  

Since is a left sided test the p value would be:  

p_v =P(z  

Conclusion  

Comparing the p value and the significance level given \alpha=0.1 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, and the true mean is significantly lower than 7.4 minutes at 10% of significance

6 0
3 years ago
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